Hardware Version: V1.0

Software Version: V04.03.01.51

Upgrade Notes:

1. This firmware is only applicable to 4G03 ProV1.0, the devices current firmware version must be V04.03.01.XX

Note: Please confirm the hardware version in device GUI: System Status->Hardware Version before upgrade

2.Do not power off the device when upgrading.

3.It is recommended to restore factory settings after upgrading.

Release Notes:

1. Product roaming is now enabled by default. 

2. The APN list has been updated to improve compatibility with carriers. 

3. A small number of bugs have been fixed.